Question

Column A Column –B a) Acidic Salt i)NaAlO2 b)
Complex Salt
ii)
K2SO4. Al2(SO4)2. 24 H2O
c)
Double Salt
iii)
NaHSO4
d)
Mixed Salt
iv)
FeCl3
e) Hygroscopic substance
v)
Ca (OCl) Cl
f) Deliquescent salt
vi)
Con. Sulphuric acid​

Answer 1

Answer:

(A)→(iv),(B)→(iii),(C)→(i),(D)→(ii)

Solution:-

(A) K2SO4.Al2(SO4)3.24H2O(aq.)→ Due to water solubility of Al+3 ion, it is acidic in nature. → (iv) Acidic

(B) Salt of weak acid and strong base → When acids and bases react, the relative strength of the conjugated acid-base pair in the salt determines the pH of its solutions. The salt, or its solution, so formed can be acidic, neutral or basic. A salt formed between a weak acid and a strong base is a basic salt. → (iii) Basic

(C) H2PO4−→H2PO4− is called dihydrogen phosphate ion. It is the conjugate base of Phosphoric Acid H3PO4.→ Bronsted base

(D) Solution of pH 6.5 at high temperature → A solution with a pH from 0 to 6 is acidic, and a solution with a pH from 8 to 14 is basic. A solution can only be considered neutral if it has a pH between 6 to 8. → (i) Neutral

Answer 2

Answer:

1. 4

2. 3

3. 1

4. 2

Explanation:

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